Answer:
a = -3
Step-by-step explanation:
-3 + (14 * -3) + 45 = 0
-3 + -42 + 45 = 0
-3 + 3 = 0
So, the answer is -3
Hope this helps! :)
Answer:
the answer is <u>424</u>
Step-by-step explanation:
you need to use long divison to find the number <3
Answer:
Area = 400 Perimeter = 80
Step-by-step explanation:
aree = 400
side = sqrt of 400 = 20
perimeter = 4*20 = 80
21, cause if sarah had twice as mych she would have 42 and 42+21=63
